[INFO] fetching crate cpal 0.11.0...
[INFO] documenting cpal-0.11.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate cpal 0.11.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cpal 0.11.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpal 0.11.0
[INFO] finished tweaking crates.io crate cpal 0.11.0
[INFO] tweaked toml for crates.io crate cpal 0.11.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cpal 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c004c267d161f76fec151b40a0498422c55019dd7f3a2c9e030448e21c00b6c1
[INFO] running `Command { std: "docker" "start" "-a" "c004c267d161f76fec151b40a0498422c55019dd7f3a2c9e030448e21c00b6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c004c267d161f76fec151b40a0498422c55019dd7f3a2c9e030448e21c00b6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c004c267d161f76fec151b40a0498422c55019dd7f3a2c9e030448e21c00b6c1", kill_on_drop: false }`
[INFO] [stdout] c004c267d161f76fec151b40a0498422c55019dd7f3a2c9e030448e21c00b6c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 596b3a36a29a5bfe1ab4cabc71cc5696b57b54f7158f7f8ecb27c5effe6c77cf
[INFO] running `Command { std: "docker" "start" "-a" "596b3a36a29a5bfe1ab4cabc71cc5696b57b54f7158f7f8ecb27c5effe6c77cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cpal v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]  Documenting cpal v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.58s
[INFO] running `Command { std: "docker" "inspect" "596b3a36a29a5bfe1ab4cabc71cc5696b57b54f7158f7f8ecb27c5effe6c77cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596b3a36a29a5bfe1ab4cabc71cc5696b57b54f7158f7f8ecb27c5effe6c77cf", kill_on_drop: false }`
[INFO] [stdout] 596b3a36a29a5bfe1ab4cabc71cc5696b57b54f7158f7f8ecb27c5effe6c77cf